MCP Server Directory

Winback: pay-on-success win-back com.winbackhq/winback

Pay-on-success win-back for RevenueCat and Stripe apps. Read-only pricing, fit and estimates.

Keyio com.gokeyio/keyio

Run your rentals in Spain from your AI assistant: SES filings, VeriFactu invoices, rent, taxes.

GammaFlip: GEX and Gamma Flip io.gammaflip/gex

Gamma exposure (GEX), gamma flip, walls and history for crypto and US options from GammaFlip.

PumpView — Solana Trading & Live Data fun.pumpview/trading

Solana swaps with local signing, confirmed receipts, trading volume and filtered live trade data.

Chargezen Subscriptions com.chargezen/subscriptions

Shopify subscriptions: subscribe-and-save, prepaid and build-a-box, plus rewards and invoices.

Paidnice com.paidnice/mcp

Accounts receivable for Xero and QuickBooks Online: customer replies, contacts and invoices.

Vestiarion io.github.duongnq2798/vestiarion

An AI treasury agent paying in USDC on Arc: read its decisions, ledger and books; add invoices.

Automaton Onchain Tools app.vercel.automaton-tx-explainer/base-tools

Paid x402 crypto safety tools (Base/ETH/BSC): tx, approvals, contract risk, token deep scan.

Review duplicate supplier invoice candidates with grouped local evidence; no payment approval.

Paid plans, licences, subscriptions and the paywall for Chrome extensions, on your own Stripe.

FutureSense io.github.Sams3595/futuresense-mcp

Invoicing, CRM, accounting, payroll, booking and AI content tools for FutureSense apps.

NB8 Floral io.github.nb8floral/nb8-floral

Wholesale silk flowers: find by flower & color, per-stem prices, 7-day US stock, photo ID, checkout.

Paid-per-call market data for agents: trading calendars, futures, macro, contract specs (x402)

Paddle (Sandbox) com.paddle/mcp-sandbox

Test Paddle Billing in sandbox: pricing, subscriptions, payments, webhooks and event simulations.

ARYSPHERE x402 chain reads and token verdicts com.arysphere/arysphere-x402

Pay-per-call onchain reads (Base, Ethereum, Gnosis), token verdicts and LLM chat over x402 USDC

Memory for AI agents: a data bank of MTSV relations, read through one tool.

Agency Standings com.agencystandings/agency-standings

Evidence-based agency rankings for Ecom, Legal, SaaS, Finance and Service, plus a work library.

x402-audit-mcp io.github.robertoyanguas-ops/x402-audit-mcp

Audits any URL for HTTP 402 x402 V2 compliance, PAYMENT-REQUIRED headers, Bazaar schema, and MCP.

Give an AI agent its own blockchain wallet: balances, USDC transfers, x402 payments under policy.

AI Mail MCP com.aimailmcp/mail

One inbox for every hat you wear: support, sales, billing mail, triaged and drafted by your agent.

Flashift app.flashift/mcp-server

Zero-key, non-custodial cross-chain crypto swap aggregator for AI agents: 100+ chains, 15+ providers

Yahoo Finance (stocks, options, financials) io.github.akhilrajesh213/yahoo-finance

Yahoo Finance for AI agents: quotes, price history, options with Greeks, financials, news, movers.

Invoice & Payment ID Validator dev.workers.mohamed-bahaa53000.invoice-validator/invoice-payment-id-validator

Pay/review/hold verdict for invoice payees: cross-checks IBAN, BIC, VAT, EIN. Paid: RapidAPI

AgentBank com.useagentbank/agentbank

Crypto banking services for AI agents: collect money and pay bank accounts in local currency.